Microsoft.ACE.OLEDB.12.0 is not registered

Solution 1

Summarized: INSTALL 32 bit version of Microsoft Access Database Engine 2010 Redistributable. Uninstall 64 bit version if previously installed. http://www.microsoft.com/en-us/download/details.aspx?id=13255

The Excel connection manager is trying to use the ACE OLE DB provider in order to access the Excel file when the version is above 2007 (xlsx). Although your box is 64-bit, you’re using SQL Server Data Tools, which is a 32-bit application. There is no 64-bit version for SSDT. When you design your package within SSDT, you’re using a 32-bit process, which can only use 32-bit providers. When you try to choose the table in the Excel file, the connection manager needs to access the 32-bit version of the ACE OLE DB provider, but this provider is not registered on your machine, only the 64-bit version is installed.

You should download the 32-bit version of the “Microsoft Access Database Engine 2010 Redistributable”. When you try to install it, you might get an error message. You should first uninstall only the 64-bit version of the “Microsoft Access Database Engine 2010 Redistributable”, which you probably installed previously. The 64-bit version and the 32-bit version can’t live together on the same host, so you’ll have to uninstall (through “Program and Features”) and install the other one if you wish to switch between them.

Once you finish uninstalling the 64-bit version and installing the 32-bit version of the provider, the problem is solved, and you can finally choose the table within the Excel file. The Excel connection manager is now able to use the ACE OLE DB provider (32-bit version) in order to access the Excel file.

Solution 2

There is a alter way. Open the excel file in Microsoft office Excel, and save it as "Excel 97-2003 Workbook". Then, use the new saved excel file in your file connection.

Solution 3

Another option is to run the package in 32 bit mode. Click on the solution => properties =? Debugging => Set run in 64 bit to false.

Solution 4

I think you can get away by just installing the OLEDB Drivers - http://www.microsoft.com/en-us/download/details.aspx?id=13255

Solution 5

I installed the "Microsoft Access Database Engine 2010 Redistributable" as mentioned above and got side-tracked troubleshooting bitness issues when it seemed to be a version issue.

Installing "2007 Office System Driver: Data Connectivity Components" sorted it for me.

https://www.microsoft.com/en-us/download/details.aspx?id=23734

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Updated on July 09, 2022

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